611141321311 has 4 divisors (see below), whose sum is σ = 611283816000. Its totient is φ = 610998826624.

The previous prime is 611141321213. The next prime is 611141321327. The reversal of 611141321311 is 113123141116.

611141321311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 611141321311 - 2⁹ = 611141320799 is a prime.

It is a super-2 number, since 2×611141321311² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611141351311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71240911 + ... + 71249488.

It is an arithmetic number, because the mean of its divisors is an integer number (152820954000).

Almost surely, 2^611141321311 is an apocalyptic number.

611141321311 is a deficient number, since it is larger than the sum of its proper divisors (142494689).

611141321311 is a wasteful number, since it uses less digits than its factorization.

611141321311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142494688.

The product of its digits is 432, while the sum is 25.

Adding to 611141321311 its reverse (113123141116), we get a palindrome (724264462427).

The spelling of 611141321311 in words is "six hundred eleven billion, one hundred forty-one million, three hundred twenty-one thousand, three hundred eleven".